12839580 has 192 divisors, whose sum is σ = 45158400. Its totient is φ = 3006720.

The previous prime is 12839579. The next prime is 12839581. The reversal of 12839580 is 8593821.

It is an interprime number because it is at equal distance from previous prime (12839579) and next prime (12839581).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12839581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 217591 + ... + 217649.

It is an arithmetic number, because the mean of its divisors is an integer number (235200).

Almost surely, 2^12839580 is an apocalyptic number.

12839580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12839580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22579200).

12839580 is an abundant number, since it is smaller than the sum of its proper divisors (32318820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12839580 is a wasteful number, since it uses less digits than its factorization.

12839580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 12839580 is about 3583.2359676694. The cubic root of 12839580 is about 234.1622805937.

The spelling of 12839580 in words is "twelve million, eight hundred thirty-nine thousand, five hundred eighty".